[1] Zhengzhou Univ, Affiliated Canc Hosp, Henan Canc Hosp, Surg Oncol, Zhengzhou, Peoples R China
[2] Henan Canc Hosp, Zhengzhou, Peoples R China
[3] Zhengzhou Univ, Affiliated Hosp 3, Radiol, Zhengzhou, Peoples R China
[4] Zhengzhou Univ, Affiliated Canc Hosp, Henan Canc Hosp, Radiol, Zhengzhou, Peoples R China